Bootloader facilitates the loading of operating system on the system. It enables the booting process and gives OS option to the users while starting the system.
RIS stands for remote installation services. It is used to install image from a Window server to a new hardware. We use RIS because installing OS every time using a CD would be more time consuming.
SMTP stands for simple mail transfer protocol. It is basically used for sending and receiving the mail, whereas, POP stands for post office protocol it is used for mail receiving purpose in the network.
Basically the term “Reservation” is used in DHCP server. Some network equipment or computer system needs a specific IP address, in such case we make a reservation in DHCP server for that particular computer system. By creating reservation it gives access to that particular IP address and at the same time prevents other computer system to use that IP address.
This program record is used to check if the server name is connected with the IP address, it is exactly opposite to the ‘A’ record. This record is basically created in reverse lookup zone, so it is also known as Reverse DNS records or pointer record.
PTR record= Give me an IP address and I will give you the name
‘A’ record= Give me the name and I will give you the IP address
BSOD stands for blue screen of death. When there is some fault in OS or hardware then Windows can’t run the program and gives a blue screen with a code. To resolve this problem the best way is to reboot the system. If it doesn’t work than boot the system in the safe mode.
MSI (Microsoft Installer) allows install, uninstall and repair the program with a single file, while .EXE file needs two files to install and uninstall the software. Also,.EXE file is able to detect the existing version of the software and give option to user to uninstall the program while MSI will instruct the users to use the add and remove program in control panel to remove the existing product first and then you can install the new program.
Server OS gives centralized administration for users, shared resources and security while desktop OS gives access to only local administration.
In incremental backup only incremental parts are backup and not the full back up, while in differential backup we take full back up after the normal backup.
SID stands for Security Identifier. Every computer object has a unique ID which is known as SID.